"Han Bin, you've been squatting on the ground for a long time. Could it be that you have some thoughts about this set of footprints?" Li Hui chuckled.
The two of them were classmates in the police academy. They had known each other for many years and had a good relationship.
Han Bin knew that the other party had a bad mouth, so he directly ignored it. "This set of footprints should be left by the suspect."
"Oh, tell me what you think," Zeng Ping asked.
"This set of footprints isn't covered, so it should have been left not long ago. It extends all the way to the wall, especially at the bottom of the wall. There's a pair of heavy footprints, so it should have been stepped on when he climbed over the wall," Han Bin analyzed.
"The other places are paved with bricks. Jumping down from here can serve as a buffer." Zeng Ping nodded.
Han Bin pointed at the footprints and continued.
"Shoe size 42, rubber soled liberation shoes, folded, patterned seal, symmetrical, and there's a heat transfer hole at the heel."
"This kind of liberation shoes is wear-resistant and dirt-resistant. Many workers like to wear them, so it's very difficult to find someone with the shoes," Li Hui said.
"The clues left behind by the footprints are far more than these." Han Bin stood up.
"What other clues are there?" Li Hui asked.
"I think the suspect is a male, about forty years old, about 1.74 meters tall, and a little hunchbacked," Han Bin said with assurance.
"How do you know?" Tian Li looked puzzled.
Han Bin pointed at the footprints on the ground.
"You can tell so much from these footprints?" Li Hui was a little skeptical.
"Han Bin, do you know how to identify footprints?" Zeng Ping guessed.
"A little." Han Bin nodded. "There's a certain ratio between the length of a person's foot and body. Knowing the length of the footprints, you can roughly deduce the height."
"What about the age? Can that be deduced from the footprints? "Tian Li asked.
"The determination of age is a little more complicated. It requires a comprehensive analysis based on the shape of the foot, the characteristics of the stride, the characteristics of the gait, and so on. It involves the angle of the step, the width of the step, the length of the step, the weight of the foot, the impressions, the lifting marks, the stepping marks, the digging marks, and so on." Han Bin was at ease, and the knowledge seemed to be engraved in his mind.
"Han Bin, you're talking so much that I'm getting dizzy. Can't you make it simpler?" Li Hui was a little confused by what he heard.
"The simplest and most common method of judgment is the pressure mark. The pressure mark is closely related to gender, age, height, and posture. The younger you are, the more forward the pressure mark on your forepalm will be; the older you are, the more backward the pressure mark will be, and it will move outwards," Han Bin said as he squatted down.
"Look at this footprint. The front of the palm is heavy and moving backward. The footprint is light at the front and heavy at the back. The area of the heel pressure is large and obvious, and there are often scratches and scratches. According to my experience, this person is around 40 years old."
"Then how do you know that the suspect has a hunchback?" Tian Li asked.
"This involves the physiological characteristics of the human torso. Observed from the side, the head and neck should fall straight on the shoulders, and the curvature of the spine should be within the normal range. Once it exceeds the normal range, it will be a hunchback. Walking posture and the center of gravity of the soles of the feet will be affected," Han Bin said.
"Then how can you tell from the footprints?"
"Mainly based on the analysis of the relationship between the intersection point of the dotted line of the forefoot and the centerline of the footprint. If the dotted line is on the centerline, it is a normal person's torso. If the foot is more inward, it will have a straight chest, and if the foot is more outward, it will have a hunchback." Han Bin looked like a scholar.
"What is the intersection point of the dotted line of the forefoot?" Li Hui still did not understand.
"Han Bin, you are too professional. Where did you learn all this?" Tian Li recalled that when she was in the police academy, she did not seem to have learned such advanced knowledge.
Whether she believed it or not was one thing. Just listening to these terms made her feel that it was amazing.
"I have recently read some information on the identification of footprints. I have some experience," Han Bin said perfunctorily.
Zeng Ping shook his head slightly. Identification of footprints was a very complicated subject. At present, there was no systematic study book. Moreover, it required a lot of observation, data, and experience. If it was so easy to learn, he would have learned it long ago.
Not to mention their Criminal Investigation Unit, even in the entire Public Security Department of Lu Province, there might not be many people who could understand this skill.
You are a young man. You dare to say that you have experience after reading some information?
What a joke.
"Captain Zeng is wise. Han Bin is immature and incompetent. Just listen to it. Don't take it seriously."
Li Hui chuckled. It looked like he was undermining Han Bin, but in fact, he was exonerating Han Bin.
Providing false and erroneous clues was a form of punishment.
"Han Bin's analysis, as well as the prediction of the suspect's height, age, and hunchback, will not be included in the investigation for the time being. However, it can be used as a reference. Interrogate those who meet the conditions," Zeng Ping said.
"Ahem …" Han Bin cleared his throat. This was the first time he used the future badge skill. He was not sure if it was reliable.
At this moment, a middle-aged man hurried over. "Hello, Captain Zeng. I am the director of Gin Island Brewery, Wu Mingyong."
"Director Wu, I want to ask you something."
Wu Mingyong handed over a cigarette. "Go ahead."
"No need for the cigarette. Don't ruin the scene."
"Yes, yes."
"Director Wu, how much did you steal?" Zeng Ping asked.
"A check for 800,000 yuan and more than 300,000 yuan in cash."
"How many people are there in your factory?"
"More than 200." Wu Mingyong was stunned. "Why are you asking this?"
"From the current clues, the suspect is very familiar with the brewery. We suspect that he might be an employee of the brewery or that he has worked in the brewery before." Zeng Ping briefly described the situation.
"Director Wu, is there a lot of turnover in your factory?" Han Bin asked.
"Quite a lot. Just this year alone, more than ten people have left. They are all temporary workers."
"There are more than 200 employees in total. Including those who have left, it is very difficult to investigate." Tian Li sighed.
Zeng Ping frowned. This situation was indeed a bit tricky. If the case dragged on for too long, the suspect might dispose of the stolen cash, tools, and shoes. It was likely that the chain of evidence would be lost and the case could not be concluded.
"Director Wu, is there anyone with a hunchback in your factory?" Han Bin had a trace of expectation.
Director Wu answered without hesitation, "Yes."
"How do you remember so clearly?"
Wu Mingyong touched his chin. "Last week, there was a male employee who left. He had a hunchback."
"How old is that person?"
"He looks like he is in his early forties."
"How tall is he?"
"About the same as me. About 1.74 meters." Wu Mingyong gestured.
Immediately, the surroundings quietened down.
Male, hunchback, about 40 years old, about 1.74 meters tall. This was the physical appearance of the suspect that Han Bin identified through the footprints.
Zeng Ping, Tian Li, and Li Hui were all stunned.
This is too awesome!
"Captain Zeng, I suggest we focus on this person." Han Bin was full of confidence.
"Okay." Zeng Ping replied, "Director Wu, do you know this person's name and address?"
"Aiyo, I really can't remember. I can only go to the personnel department."
"I want all his information. The more detailed, the better."
"I will go now." Wu Mingyong left in a hurry.
"Well done, Han Bin. When we catch the suspect, I will give you the credit." Zeng Ping reached out and patted his shoulder.
"This is all thanks to everyone," Han Bin said with a smile.
"You are awesome. With just a set of footprints, you can identify the physical characteristics of the suspect. In the future, we don't need cameras. You are enough." Li Hui joked.
Li Hui was also a little puzzled. They had not seen each other for a long time. When did this kid become so good?
Han Bin was also a little excited. The future badge instilled him with the knowledge of footprints identification. It was indeed true. He had made a fortune this time.
"Ding dong. First time using footprints in a case. Skill proficiency + 1. Awarded 2 merit points." The badge's notification sounded in Han Bin's mind.
"What is merit points?" Han Ping was a little puzzled.
"Merit points can be exchanged for new skills!"
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